Holohan Heating and Sheetmetal is a full service mechanical contractor operating in Chicago's South Suburban area. Holohan's specializes in Commercial and Industrial HVAC Equipment. The Holohan Team consists of 11 service and installation technicians, 2 licensed plumber pipefitters, 1 licensed electrician, and a custom sheetmetal fabrication shop. Combined, Holohan's can perform all your service and installation needs.
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